{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203159",
    "entityType": "User",
    "nonce": "0xf06c254b12407a90a590644c67c3ef73b949e83a3d08f799b0b90c82258bf8d2",
    "signature": "0xd9446db60fe71aece01844cc9b160c626018e14a5baf2d51bf350ac6be2500a406788f15cbe137f8be4f8c30de00281137474e6726014933bd0e49a9d08776fa1b",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}